Irix have built an enviable reputation for interesting, high quality optics, concentrating on areas relatively neglected by other manufacturers. Here we have a long 150mm macro lens that offers a full 1:1 life size magnification for Canon, Nikon and Pentax full frame DSLR users. The lens is manual focus only, although especially in the case of a macro lens this may be of little concern. Let’s have a close look and see how the lens performs and what the advantages of a longer focal length may be.
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